Endoscopic management of Zenker’s diverticulum
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Zenker’s diverticulum (ZD) is a rare condition that predominantly effects elderly population. Dysphagia and regurgitation are the common presenting symptoms in patients with ZD. Flexible endoscopic diverticulotomy (FED) of the cricopharyngeal septum is the mainstay of management in symptomatic ZD. The outcomes of FED compare favorably to open surgical and trans-oral rigid endoscopic treatment methods. Moreover, FED is associated with relatively fewer morbidities as compared to surgery. Bleeding and micro-perforation are the most commonly reported immediate adverse events. Majority of the adverse events are mild and severe adverse events are rare with FED. Recurrence of symptoms remain the most important long-term concern after FED. Nevertheless, majority of the recurrences respond to a repeat session of endoscopic treatment. Lately, new electrosurgical knives and novel endoscopic techniques of cricopharyngeal myotomy have been evaluated for the treatment of ZD. Novel techniques include double incision with snare resection and submucosal tunneling endoscopic septum division. The proposed advantage with these techniques is possible reduced incidence of recurrences after endoscopic treatment. Randomized comparison studies are required between new and conventional flexible endoscopic techniques. In addition, standardized reporting of clinical success, and adverse events is required in future studies.
Abstract
Zenker’s diverticulum (ZD) is a rare condition that predominantly effects elderly population. Dysphagia and regurgitation are the common presenting symptoms in patients with ZD. Flexible endoscopic diverticulotomy (FED) of the cricopharyngeal septum is the mainstay of management in symptomatic ZD. The outcomes of FED compare favorably to open surgical and trans-oral rigid endoscopic treatment methods. Moreover, FED is associated with relatively fewer morbidities as compared to surgery. Bleeding and micro-perforation are the most commonly reported immediate adverse events. Majority of the adverse events are mild and severe adverse events are rare with FED. Recurrence of symptoms remain the most important long-term concern after FED. Nevertheless, majority of the recurrences respond to a repeat session of endoscopic treatment. Lately, new electrosurgical knives and novel endoscopic techniques of cricopharyngeal myotomy have been evaluated for the treatment of ZD. Novel techniques include double incision with snare resection and submucosal tunneling endoscopic septum division. The proposed advantage with these techniques is possible reduced incidence of recurrences after endoscopic treatment. Randomized comparison studies are required between new and conventional flexible endoscopic techniques. In addition, standardized reporting of clinical success, and adverse events is required in future studies.
참고문헌 (42)
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